Question

Two adjacent angles of a parrellelogram are(3x-4) and (3x+16) .Find out the measures of each of the angles

Answer 1

sum of adjacent angles in a parallelogram is 180

so, (3x-4) + (3x+16) =180

3x + 3x + 16-4 =180

6x + 12 =180

6x =180 -12

6x =168

x=168÷6

x=28